可降解塑料顆粒主要是由天然高分子（如淀粉、纖維素、甲殼質(zhì)）或農(nóng)副產(chǎn)品經(jīng)微生物發(fā)酵或合成具有生物降解性的高分子制得，如熱塑性淀粉塑料、脂肪族聚酯、聚乳酸、淀粉/聚乙烯醇等均屬這類塑料，主要用于制作可降解塑料，可降解塑料是指一類其制品的各項性能可滿足使用要求，在保存期內(nèi)性能不變，而使用后在自然環(huán)境條件下能降解成對環(huán)境無害的物質(zhì)的塑料。下面，可降解顆粒廠家為大家介紹關(guān)于可降解塑料顆粒相關(guān)知識。

Degradable plastic particles are mainly made of natural polymers (such as starch, cellulose, chitin) or agricultural and sideline products through microbial fermentation or synthesis of biodegradable polymers. Thermoplastic starch plastics, aliphatic polyester, polylactic acid, starch/polyvinyl alcohol, etc. are all of these plastics, which are mainly used to make degradable plastics. Degradable plastics refer to a class of products whose properties can meet the use requirements, Plastics that have the same properties during the storage period but can be degraded into harmless substances under natural environmental conditions after use. Next, the manufacturer of degradable particles will introduce relevant knowledge about degradable plastic particles.

1、可降解塑料配方分析范圍：

1. Analysis range of degradable plastic formula:

光降解型塑料、生物降解型塑料、光、氧化生物多個方面降解性塑料、二氧化碳基生物降解塑料、熱塑性淀粉樹脂降解塑料。

Photodegradable plastics, biodegradable plastics, light and oxidative biodegradable plastics, carbon dioxide based biodegradable plastics, thermoplastic starch resin degradable plastics.

2、可降解塑料配方原理分析：

2. Principle analysis of degradable plastic formula:

降解過程主要涉及生物降解，光降解和化學(xué)降解，這三種主要降解過程相互間具有增效、協(xié)同和連貫作用。例如，光降解與氧化物降解常同時進行并互相促進；生物降解更易發(fā)生在光降解過程之后。

The degradation process mainly involves biodegradation, photodegradation and chemical degradation, and these three main degradation processes have synergistic, synergistic and coherent effects. For example, photodegradation and oxide degradation often go on at the same time and promote each other; Biodegradation is more likely to occur after the photodegradation process.

可降解塑料顆粒檢測:

Detection of degradable plastic particles:

1、檢測范圍：

1. Detection range:

包裝制品、塑料制品（可降解包裝制品：購物袋、垃圾袋、包裝膜、手套等薄膜產(chǎn)品）、一次性可降解餐飲具、薄膜及片材（包裝膜制品：購物袋、垃圾袋、包裝膜、手套等薄膜產(chǎn)品）

Packaging products, plastic products (degradable packaging products: shopping bags, garbage bags, packaging films, gloves and other film products), disposable degradable tableware, films and sheets (packaging film products: shopping bags, garbage bags, packaging films, gloves and other film products)

2、檢測項目：

2. Test items:

降解性、生物降解性、生物降解率、生生物分解和崩解物分解和崩解能力評價、需氧堆肥試驗生物分解率

Biodegradability, biodegradability, biodegradation rate, biological biodegradation, evaluation of decomposition and disintegration ability of disintegrated materials, biodegradation rate of aerobic composting test

3、檢測標準：

3. Test standard:

GB/T20197降解塑料的定義、分類、標志和降解性能要求

GB/T20197 Definition, Classification, Marking and Degradation Performance Requirements of Degradable Plastics

GBT16422.2塑料實驗室光源暴露試驗方法第2部分氙弧燈

GBT16422.2 Plastics Laboratory Light Source Exposure Test Method Part 2 Xenon Arc Lamp

GBT7141塑料熱老化試驗方法

GBT7141 Test Method for Thermal Aging of Plastics

GB/T38082生物降解塑料購物袋

GB/T38082 Biodegradable Plastic Shopping Bag

GB/T19277.1（ISO14855-1:2012）受控堆肥條件下材料終需氧生物分解和崩解能力的測定采用測定釋放的二氧化碳的方法部分通用方法

GB/T19277.1 (ISO14855-1:2012) Determination of ultimate aerobic biodegradation and disintegration capacity of materials under controlled composting conditions Part 1: General method

EN13432包裝.通過合成及生物降解評定包裝可回收性的要求

EN13432 Packaging - Requirements for evaluating the recyclability of packaging by synthesis and biodegradation

ASTMD5338堆肥條件下塑料材料的好氧性生物降解試驗方法

ASTMD5338 Test Method for Aerobic Biodegradation of Plastic Materials under Composting Conditions

量或測定釋放的二氧化碳的方法

Quantity or method for measuring released carbon dioxide

QB/T2671生物分解塑料片材定義、標志和生物分解性能要求

QB/T2671 Definition, Mark and Biodegradable Performance Requirements of Biodegradable Plastic Sheet

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